Civil Engineering MCQs – Design Of Steel Structures MCQs Latest
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Latest Civil Engineering MCQs
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Latest Design Of Steel Structures Mcqs
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The effect of racking forces is considered in the design of_________________?
i) lateral braces
ii) chord members
The correct answer is
A. only (i)
B. both (i) and (ii)
C. only (ii)
D. none of the above
The sway bracing is designed to transfer____________________?
A. 10% of the top panel wind load to bottom bracing
B. 2Vi % of the top panel wind load to bottom bracing
C. 25% of the top panel wind load to bottom bracing
D. 50% of the top panel wind load to bottom bracing
The bracing provided in the plane of end posts is called__________________?
A. top lateral bracing
B. portal bracing
C. sway bracing
D. bottom lateral bracing
The least dimension in case of a circular column of diameter D is taken as_______________?
A. 0.68 D
B. 0.5 D
C. 0.88 D
D. D
In case of timber structures, the simple bending formula M = fz may be applied for________________?
A. rectangular beams up to 300 mm depth
B. solid circular beams only
C. all rectangular beams
D. all square cross-section beams
Design Of Steel Structures – Civil Engineering Mcqs
The mechanism method and the statical method give__________________?
A. lower and upper bounds respectively on the strength of structure
B. upper and lower bounds respectively on the strength of structure
C. upper bound on the strength of structure
D. lower bound on the strength of structure
Shape factor is a property which depends________________?
A. only on the yield stress of the material
B. only on the ultimate stress of the material
C. only on the geometry of the section
D. both on the yield stress and ultimate stress of material
The mechanism method of plastic analysis satisfies___________________?
A. equilibrium and mechanism conditions
B. mechanism and plastic moment conditions
C. equilibrium and plastic moment conditions
D. equilibrium condition only
The ratio of plastic section modulus to elastic section modulus__________________?
A. is always less than 1
B. is equal to 1
C. is always greater than 1
D. can be less than 1
Which of the following conditions is to be satisfied both in elastic and plastic analysis ?
A. equilibrium condition
B. plastic moment condition
C. yield condition
D. mechanism condition
As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?
(i) Dead load 1.7
(ii) Dead Load + imposed load 1.7
(iii) Dead load + load due to wind or 1.3 seismic forces
(iv) Dead load + imposed load + load 1.7
due to wind or seismic forces Of these statements
A. (i) and (ii) are correct
B. (ii) and (iii) are correct
C. (i), (ii) and (iii) are correct
D. only (i) is correct
In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be________________?
A. 0.55 Awfy
B. 0.75 Awfy
C. 0.65 Awfy
D. 0.85 Awfy
where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel
The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?
A. 1.5d¥/C
B. 1.5dV/C
C. 1.5d¥/C2
D. 1.5dY/C3
where, ‘t’ is the minimum required thick-ness of the web and ‘C is the maximum permitted clear distance between vertical stiffener for thickness ‘t’
For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
A. unequal legged angles with short legs back to back
B. unqual legged angles with long legs back to back
C. equal angles back to back
D. both (B) or (C)
A steel beam supporting loads from the floor slab as well as from wall is termed as________________?
A. lintel beam
B. stringer beam
C. spandrel beam
D. header beam
Hudson’s formula gives the dead weight of a truss bridge as a function of_________________?
A. bottom chord area
B. effective span of bridge
C. top chord area
D. heaviest axle load of engine
Theory Of Structures Mcqs Latest – Civil Engineering Mcqs
The allowable shear stress in the web of mild steel beams decreases with__________________?
A. decrease in thickness
B. increase in h/t ratio
C. decrease in h/t ratio
D. increase in height
where ‘h’ is height and t is thickness
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than_________________?
A. 600 mm
B. 500 mm
C. 1000 mm
D. 300 mm
In moment resistant connections, the moment resistance of riveted connection depends upon________________?
A. compression in rivets
B. shear in rivets
C. tension in rivets
D. strength of rivets in bearing
For rivets in tension with counter-sunk heads, the tensile value shall be____________________?
A. increased by 25 %
B. reduced by 33.3%
C. reduced by 25 %
D. increased by 33.3 %
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?
A. 125 t3/h2
B. 75 t2/h
C. 125 t2/h
D. 175 t2/h
where, t = the web thickness in mm
h = the outstand of stiffener in mm
Lug angles_________________?
A. are used to reduce the length of connection.
B. increases shear lag.
C. are unequal angles.
D. all the above
The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________?
A. 6 mm
B. 4.5 mm
C. 8 mm
D. 10 mm
The shape factor of an isosceles triangle for bending about the axis parallel to the base is________________?
A. 1.7
B. 1.5
C. 2.0
D. 2.34
In the virtual work method, the virtual quantity is_________________?
A. displacement
B. slope
C. load
D. moment
MCQs of Civil Engineering Latest
Other conditions being same, the load factor in indeterminate structures is_______________?
A. unpredictable
B. more than the load factor in determinate structures
C. less than the load factor in determinate structures
D. equal to load factor in determinate structures
Load factor is____________________?
A. always less than factor of safety
B. always equal to factor of safety
C. always greater than factor of safety
D. sometimes greater than factor of safety
The statical method of plastic analysis satisfies_______________?
A. equilibrium condition only
B. equilibrium and plastic moment conditions
C. mechanism and plastic moment conditions
D. equilibrium and mechanism conditions
The moment-curvature relation at a plastic hinge is________________?
A. parabolic
B. linear
C. constant moment for all curvatures
D. constant curvature for all moments
The elastic strain for steel is about_________________?
A. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain
B. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain
C. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
D. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain
Strength of Materials MCQs – Civil Engineering
In case of timber structures, the form factor for solid circular cross-section is taken as_________________?
A. 1.18
B. 1.414
C. 1.81
D. 1.67
compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________?
A. bending and shear
B. bearing and shear
C. bearing and bending
D. bearing, shear and bending
The portal bracing in a truss bridge is used to_____________________?
A. transfer load from top of end posts to bearings
B. keep the rectangular shape of the bridge cross-section
C. prevent the sidesway buckling of top chord
D. stiffen the structure laterally
The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?
A. 1.50 m above the rail level
B. 1.23 m above the rail level
C. 1.83 m above the rail level
D. 2.13 m above the rail level
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?
A. 0.5
B. 0
C. between 0.5 and 1.0
D. 1.0
The diameter of base of conical flare of a steel stack is_____________________?
A. equal to d
B. less than d
C. more than d
D. any of the above
where d is the diameter of the cylindrical part
The capacity of the smallest pressed steel tank is__________________?
A. 1650 litre
B. 1000 litre
C. 1950 litre
D. 2450 litre
Steel tanks are mainly designed for_______________________?
A. wind pressure
B. weight of tank
C. water pressure
D. earthquake forces
Minimum pitch provided in riveted steel tanks is________________?
A. 2.0 d
B. 1.5 d
C. 2.5 d
D. 3.0 d
where d is diameter of rivets
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into_____________________?
A. 5 zones
B. 4 zones
C. 6 zones
D. 7 zones
The external wind pressure acting on a roof depends on__________________?
A. degree of permeability of roof
B. slope of roof
C. both of the above
D. none of the above
The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of’h’ is__________________?
A. 10 m
B. 25 m
C. 20 m
D. 50 m
The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as_______________?
A. 0.65 kN/m2
B. 1.35 kN/m2
C. 0.75 kN/m2
D. 1.50 kN/m2
For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as__________________?
A. ± 0.5p
B. ±0.2p
C. zero
D. ±0.7p
where p is basic wind pressure
To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?
A. 3
B. 2
C. 1
D. 4
The minimum thickness of plates in a steel stack should be___________________?
A. 5 mm
B. 4 mm
C. 6 mm
D. 8 mm
The maximum permissible span of asbestos cement sheets is______________________?
A. 810 mm
B. 650 mm
C. 1250 mm
D. 1680 mm
The maximum spacing of vertical stiffeners is_________________?
A. 1.25 d
B. 1.33 d
C. 1.5 d
D. 1.75 d
where d is the distance between flange angles
Bearing stiffeners are provided at________________?
i) the supports
ii) the mid span
iii) the point of application of concentrated loads
The correct answer is?
A. both (i) and (ii)
B. only (i)
C. both (i) and (iii)
D. (i), (ii) and (iii)
The forces acting on the web splice of a plate girder are__________________?
A. shear and axial forces
B. axial forces
C. shear and bending forces
D. axial and bending forces
Minimum spacing of vertical stiffeners is limited to________________?
A. d/2
B. d/3
C. d/4
D. 2d/3
where d is the distance between flange angles
Engineering Economy MCQs – Civil Engineering
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________?
A. 200 t
B. 851
C. 501
D. 2501
where t is thickness of web
The web crippling due to excessive bearing stress can be avoided by_________________?
A. providing suitable stiffeners
B. increasing the web thickness
C. increasing the length of the bearing plates
D. none of the above
Horizontal stiffener in a plate girder is provided to safeguard against_______________?
A. yielding
B. compression buckling of web plate
C. shear buckling of web plate
D. all of the above
Economical depth of a plate girder corresponds to_________________?
A. minimum weight
B. maximum weight
C. minimum depth
D. minimum thickness of web
The overlap of batten plates with the main members in welded connections should be more than____________________?
A. 6t
B. 4t
C. 3t
D. 8t
where t = thickness of the batten plate
Battening is preferable when the________________?
i) column carries axial load only
ii) space between the two main components is not very large
iii) column is eccentrically loaded
The correct answer is
A. only (iii)
B. only (i)
C. (i) and (ii)
D. (ii) and (iii)
Lacing bars in a steel column should be designed to resist_________________?
A. 2.5% of the column load
B. shear force due to 2.5% of the column load
C. bending moment due to 2.5% of the column load
D. both (A) and (B)
If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be______________?
A. 80mm
B. 60mm
C. 40mm
D. 100mm
Formation of snow occurs if the cloud temperature is________________?0
A. At the freezing point
B. Just above the freezing point
C. Below the freezing point
D. None of these